CN220548050U - Butterfly valve rod grinding device - Google Patents

Abstract

The utility model relates to the technical field of polishing equipment and discloses a butterfly valve rod polishing device, which comprises a workbench, two polishing rollers arranged on the workbench in parallel and a driving assembly for driving a valve rod to rotate between the two polishing rollers, wherein the polishing rollers are arranged on the workbench in parallel; the driving assembly comprises a driving roller, a bearing plate, a first motor and a driving air cylinder, wherein mounting plates are arranged at two ends of the bearing plate, the driving roller is rotatably mounted on the two mounting plates, and an output shaft of the first motor is in transmission connection with the driving roller; the workbench is also provided with a mounting frame, the cylinder body of the driving cylinder is fixedly mounted on the mounting frame, and the piston rod of the driving cylinder is fixedly connected to the top of the bearing plate. Compared with the prior art, the valve rod is not required to be clamped and fixed in the whole polishing process, the circumferential surface of the valve rod is in contact with the polishing roller, no dead angle polishing can be realized, and the polishing efficiency is greatly improved.

Description

Butterfly valve rod grinding device

Technical Field

The utility model relates to the technical field of polishing equipment, in particular to a polishing device for a valve rod of a butterfly valve.

Background

The valve rod is an important part of the center line butterfly valve, the circumferential surface of the valve rod needs to be polished in the machining process, the machining precision of the valve rod is improved, and subsequent assembly is facilitated.

In prior art, current grinding device can use fixture to polish to the valve rod centre gripping back to its surface when polishing the valve rod of butterfly valve, but the in-process of polishing to the valve rod can not polish to the centre gripping position, when polishing to other positions when accomplishing, need dismantle the valve rod, adjust the back to the direction of valve rod, just can polish to the centre gripping position to when leading to polishing to the valve rod, it is laborious to waste time, has reduced the efficiency when polishing to the valve rod.

In view of the above, the present inventors have made intensive studies to solve the above-mentioned drawbacks of the prior art.

Disclosure of Invention

The utility model mainly aims to provide a polishing device for a valve rod of a butterfly valve, which aims to solve the problems in the background art.

In order to achieve the above object, the solution of the present utility model is:

the butterfly valve stem polishing device comprises a workbench, two polishing rollers arranged on the workbench in parallel, and a driving assembly for driving the valve stem to rotate between the two polishing rollers; the driving assembly comprises a driving roller, a bearing plate, a first motor and a driving air cylinder, wherein mounting plates are arranged at two ends of the bearing plate, the driving roller is rotatably mounted on the two mounting plates, and an output shaft of the first motor is in transmission connection with the driving roller; the workbench is also provided with a mounting frame, the cylinder body of the driving cylinder is fixedly mounted on the mounting frame, and the piston rod of the driving cylinder is fixedly connected to the top of the bearing plate.

Further, the top of the bearing plate is further vertically provided with a first guide rod upwards, and the mounting frame is provided with a first guide hole matched with the first guide rod.

Further, the two polishing rollers are slidably mounted on the workbench, a first mounting column and a second mounting column are respectively arranged at two ends of the polishing rollers, a first sliding block is arranged at the bottom of the first mounting column, a second sliding block is arranged at the bottom of the second mounting column, and a first sliding groove for sliding the first sliding block and a second sliding groove for sliding the second sliding block are formed on the workbench; and an adjusting assembly for driving the two polishing rollers to mutually adjust to be close to or far away from each other is further arranged in the first sliding groove.

Further, the adjusting assembly comprises a bidirectional screw rod rotatably arranged in the first chute and a second motor for driving the bidirectional screw rod to rotate; the first sliding block is provided with a threaded hole matched with the bidirectional screw rod.

Further, a second guide rod is further arranged in the second sliding groove, and a second guide hole matched with the second guide rod is formed in the second sliding block.

Further, a chip removal groove is formed in the workbench, the bottom of the chip removal groove is obliquely arranged, and a chip removal port communicated with the chip removal groove is formed in one side of the workbench.

By adopting the structure, compared with the prior art, the polishing device for the valve rod of the butterfly valve has the advantages that the valve rod is placed between the two polishing roller rollers, the valve rod is driven by the driving roller to rotate and rub between the two polishing roller rollers, so that polishing is realized, when the polishing device is used, the valve rod is only required to be placed between the two polishing roller rollers, the driving roller can be in contact with the valve rod, the valve rod is not required to be clamped and fixed in the whole polishing process, the circumferential surface of the valve rod is in contact with the polishing roller, dead angle-free polishing can be realized, and polishing efficiency is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is a schematic view of the structure of the grinding roller.

Legend description: the polishing device comprises a workbench 1, a mounting frame 11, a first guide hole 111, a first sliding groove 12, a second sliding groove 13, a second guide rod 131, a chip groove 14, a chip port 141, a polishing roller 2, a first mounting column 21, a first sliding block 211, a threaded hole 2111, a second mounting column 22, a second sliding block 221, a second guide hole 2211, a driving assembly 3, a driving roller 31, a bearing plate 32, a mounting plate 321, a first guide rod 322, a first motor 33, a driving cylinder 34, a bidirectional screw 41, a second motor 42 and a valve rod 5.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 3, the polishing device for the valve rod of the butterfly valve according to the utility model comprises a workbench 1, two polishing rollers 2 arranged on the workbench 1 in parallel, and a driving assembly 3 for driving the valve rod 5 to rotate between the two polishing rollers 2; the driving assembly 3 comprises a driving roller 31, a bearing plate 32, a first motor 33 and a driving air cylinder 34, mounting plates 321 are arranged at two ends of the bearing plate 32, the driving roller 31 is rotatably mounted on the two mounting plates 321, and an output shaft of the first motor 33 is in transmission connection with the driving roller 31; the workbench 1 is also provided with a mounting frame 11, a cylinder body of the driving cylinder 34 is fixedly arranged on the mounting frame 11, and a piston rod of the driving cylinder 34 is fixedly connected to the top of the bearing plate 32. Specifically, the periphery of the driving roller 31 is coated with a rubber layer, the periphery of the polishing roller 2 is coated with abrasive cloth, the driving wheel is located above the middle of the two polishing rollers 2, when polishing is needed, the valve rod 5 is placed between the two polishing rollers 2, then the driving roller 31 is lowered through the driving cylinder 34 until the driving roller 31 is contacted with the valve rod 5, then the driving roller 31 is driven to rotate through the first motor 33, the valve rod 5 is rotated between the two polishing rollers 2 under the action of friction force, so that polishing is realized, the periphery of the valve rod 5 is contacted with the polishing rollers 2 in the whole process, dead angle-free polishing is realized, and polishing efficiency is improved.

Preferably, the top of the bearing plate 32 is further provided with a first guide rod 322 vertically upwards, and the mounting frame 11 is formed with a first guide hole 111 matched with the first guide rod 322. The two first guide rods 322 are respectively positioned at two sides of the driving cylinder 34, and the bearing plate 32 can be more stable when moving up and down through the first guide rods 322.

Preferably, two grinding rollers 2 are slidably mounted on the workbench 1, two ends of each grinding roller 2 are respectively provided with a first mounting column 21 and a second mounting column 22, the bottom of each first mounting column 21 is provided with a first sliding block 211, the bottom of each second mounting column 22 is provided with a second sliding block 221, and a first sliding groove 12 for sliding the first sliding block 211 and a second sliding groove 13 for sliding the second sliding block 221 are formed on the workbench 1; an adjusting component for driving the two grinding rollers 2 to mutually adjust to be close to or far from each other is also arranged in the first chute 12. The distance between the two polishing rollers 2 can be adjusted through the adjusting assembly, so that the valve rod 5 with different specifications can be adapted, and the practicability of the whole device is improved. In addition, the connection mode of the polishing roller 2 and the first mounting column 21 and the second mounting column 22 can adopt bolt fixed connection, the polishing roller 2 needs to be static and can not rotate in the polishing process, when the polishing roller 2 is used for a period of time, the polishing roller 2 can be disassembled by the bolts to rotate the polishing roller 2, one used surface is continuously contacted with the valve rod 5, and when the abrasive cloth on the whole polishing roller 2 can not be used, the polishing roller 2 is disassembled again, and the abrasive cloth is replaced.

Preferably, the adjusting assembly includes a bi-directional screw 41 rotatably installed in the first chute 12 and a second motor 42 driving the bi-directional screw 41 to rotate; the first slider 211 is formed with a screw hole 2111 which mates with the bidirectional screw 41. The bidirectional screw 41 has two screw thread sections with opposite screw directions, and the two screw thread sections are respectively matched with the screw holes 2111 on the two polishing rollers 2, so that the distance between the two polishing rollers 2 can be adjusted by forward and reverse rotation of the second motor 42.

Preferably, the second sliding groove 13 is further provided with a second guiding rod 131, and the second sliding block 221 is formed with a second guiding hole 2211 matched with the second guiding rod 131. The second guide bar 131 makes it possible to stabilize the two grinding rollers 2 during sliding.

Preferably, the table 1 is further formed with a junk slot 14, the junk slot 14 is located right below the two grinding rollers 2, the bottom of the junk slot 14 is obliquely arranged, and one side of the table 1 is formed with a junk slot 141 communicated with the junk slot 14. During the grinding and polishing process, scraps are generated, and the bottoms of the chip removal grooves 14 are obliquely arranged, so that the scraps can be flushed out of the chip removal holes 141 directly through flushing during cleaning.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The butterfly valve stem polishing device comprises a workbench and is characterized by further comprising two polishing rollers which are arranged on the workbench in parallel and a driving assembly which drives the valve stem to rotate between the two polishing rollers; the driving assembly comprises a driving roller, a bearing plate, a first motor and a driving air cylinder, wherein mounting plates are arranged at two ends of the bearing plate, the driving roller is rotatably mounted on the two mounting plates, and an output shaft of the first motor is in transmission connection with the driving roller; the workbench is also provided with a mounting frame, the cylinder body of the driving cylinder is fixedly mounted on the mounting frame, and the piston rod of the driving cylinder is fixedly connected to the top of the bearing plate.

2. The polishing device for a valve rod of a butterfly valve according to claim 1, wherein a first guide rod is further vertically arranged on the top of the bearing plate, and a first guide hole matched with the first guide rod is formed in the mounting frame.

3. The polishing device for the valve rod of the butterfly valve according to claim 1, wherein two polishing rollers are slidably mounted on the workbench, a first mounting column and a second mounting column are respectively arranged at two ends of each polishing roller, a first sliding block is arranged at the bottom of each first mounting column, a second sliding block is arranged at the bottom of each second mounting column, and a first sliding groove for sliding the first sliding block and a second sliding groove for sliding the second sliding block are formed on the workbench; and an adjusting assembly for driving the two polishing rollers to mutually adjust to be close to or far away from each other is further arranged in the first sliding groove.

4. A butterfly valve stem grinding apparatus of claim 3 wherein the adjustment assembly includes a bi-directional screw rotatably mounted in the first chute and a second motor for driving the bi-directional screw in rotation; the first sliding block is provided with a threaded hole matched with the bidirectional screw rod.

5. The polishing device for a valve rod of a butterfly valve according to claim 4, wherein a second guide rod is further arranged in the second sliding groove, and a second guide hole matched with the second guide rod is formed in the second sliding block.

6. The polishing device for a valve rod of a butterfly valve according to claim 1, wherein a chip groove is further formed on the working table, the bottom of the chip groove is obliquely arranged, and a chip port communicated with the chip groove is formed on one side of the working table.